Lin Feng, a poor young man from rural Fujian, worked hard to get into Fuzhou University. He met Zou Xiaolu on campus and started an innocent campus romance. However, after graduation, they faced the test of reality. Zou's father firmly opposed Lin Feng because of his poor family background, and the two had no choice but to break up. Frustrated, Lin Feng had a drunken relationship with his female colleague Chen Xinling and unexpectedly got married. Since then, Lin Feng's career has taken off and his family seems to be happy.
18 Years later, the gears of fate are turning quietly. When his son's blood type was abnormal during his college entrance exam, Lin Feng was shocked to realize that the child was not his biological child. At the same time, he unexpectedly reunited with Zou Xiaolu, and found that Zou Xiaolu's son had many similarities with himself, and suspected that he was his own flesh and blood. As the investigation deepens, the secrets of the year gradually surface, and Chen Xinling's betrayal and Zou Xiaolu's troubled marriage are also revealed one by one. Faced with emotional entanglements and great changes in life, how should Lin Feng make a choice? Where will this story of eighteen years of wrongful love go?
